: a ride at an amusement park which is like a small, open train with tracks that are high off the ground and that have sharp curves and steep hills
: a situation or experience that involves sudden and extreme changes
What made you want to look up roller coaster? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes